Problem 21.87 Part A Three very ge square plsnes oi chirge are srrangedshow\" (o

Question

Problem 21.87 Part A Three very ge square plsnes oi chirge are srrangedshow" (on edge) " the igure. Find tha tatal alectric tialddirartian and magrituda at th pinA Assuma the platar ane much lagar than he cistans AlD Expass your answar to two signticant figures and includa the appropriate unis.Assume that the positive axis is directed no the right Value Unis My Answes Gvo Up Part B Es-Value Units My Answer GNA LIp Part C Find the total electric field fdirection and magritudel al the paim C. Express your answer to two gnificantfiguresand include the appropriate units. Assume that the positive xisis directed to the right. Do-Value Units My Answers iNU Part D idthctoial clcctric field l direction and magnitude: at the pohD Express your answer to two signtficant figures and include the appropriate unis.Assume that the postive axis is directed to the right

Explanation / Answer

A] Electric field at A = effective sigma / 2eo

= -[-0.46+0.78-0.36]*10^-6/[2*8.85*10^-12]

= 2.3*10^3 N/C

B] Electric field at B = effective sigma / 2eo

= -[0.46+0.78-0.36]*10^-6/[2*8.85*10^-12]

= -5.0*10^4 N/C

c] Electric field at c = effective sigma / 2eo

= -[0.46-0.78-0.36]*10^-6/[2*8.85*10^-12]

= 3.8*10^4N/C

d] Electric field at d = effective sigma / 2eo

= [-0.46+0.78-0.36]*10^-6/[2*8.85*10^-12]

= -2.3*10^3 N/C

note: if answer does not match, make sure the charges on the plates are -0.46, 0.78, -0.36 uC/m^2

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